cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A125519 A 4 X 4 permutation-free magic square with magic sum 1998.

Original entry on oeis.org

831, 326, 267, 574, 584, 257, 316, 841, 158, 683, 742, 415, 425, 732, 673, 168
Offset: 1

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Author

Parthasarathy Nambi, Jan 22 2007

Keywords

Comments

The magic sum is 1998. For additional details see the paper by Hossin Behforooz.

Examples

			The magic square is:
831, 326, 267, 574
584, 257, 316, 841
158, 683, 742, 415
425, 732, 673, 168
		

References

  • Hossin Behforooz, "Permutation-free magic squares", J. Recreational Mathematics, vol. 33, (2004-2005), pp. 103-106. See Figure 2 on page 104.

Crossrefs

Cf. A080992.